Text Generation
MLX
Safetensors
qwen3_5
quantized
mixed-precision
4bit
8bit
optiq
apple-silicon
qwen3.6
conversational
4-bit precision
Instructions to use mlx-community/Qwen3.6-27B-OptiQ-4bit with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- MLX
How to use mlx-community/Qwen3.6-27B-OptiQ-4bit with MLX:
# Make sure mlx-lm is installed # pip install --upgrade mlx-lm # Generate text with mlx-lm from mlx_lm import load, generate model, tokenizer = load("mlx-community/Qwen3.6-27B-OptiQ-4bit") prompt = "Write a story about Einstein" messages = [{"role": "user", "content": prompt}] prompt = tokenizer.apply_chat_template( messages, add_generation_prompt=True ) text = generate(model, tokenizer, prompt=prompt, verbose=True) - Notebooks
- Google Colab
- Kaggle
- Local Apps Settings
- LM Studio
- Pi
How to use mlx-community/Qwen3.6-27B-OptiQ-4bit with Pi:
Start the MLX server
# Install MLX LM: uv tool install mlx-lm # Start a local OpenAI-compatible server: mlx_lm.server --model "mlx-community/Qwen3.6-27B-OptiQ-4bit"
Configure the model in Pi
# Install Pi: npm install -g @earendil-works/pi-coding-agent # Add to ~/.pi/agent/models.json: { "providers": { "mlx-lm": { "baseUrl": "http://localhost:8080/v1", "api": "openai-completions", "apiKey": "none", "models": [ { "id": "mlx-community/Qwen3.6-27B-OptiQ-4bit" } ] } } }Run Pi
# Start Pi in your project directory: pi
- MLX LM
How to use mlx-community/Qwen3.6-27B-OptiQ-4bit with MLX LM:
Generate or start a chat session
# Install MLX LM uv tool install mlx-lm # Interactive chat REPL mlx_lm.chat --model "mlx-community/Qwen3.6-27B-OptiQ-4bit"
Run an OpenAI-compatible server
# Install MLX LM uv tool install mlx-lm # Start the server mlx_lm.server --model "mlx-community/Qwen3.6-27B-OptiQ-4bit" # Calling the OpenAI-compatible server with curl curl -X POST "http://localhost:8000/v1/chat/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "mlx-community/Qwen3.6-27B-OptiQ-4bit", "messages": [ {"role": "user", "content": "Hello"} ] }' - Hermes Agent
How to use mlx-community/Qwen3.6-27B-OptiQ-4bit with Hermes Agent:
Start the MLX server
# Install MLX LM: uv tool install mlx-lm # Start a local OpenAI-compatible server: mlx_lm.server --model "mlx-community/Qwen3.6-27B-OptiQ-4bit"
Configure Hermes
# Install Hermes: curl -fsSL https://hermes-agent.nousresearch.com/install.sh | bash hermes setup # Point Hermes at the local server: hermes config set model.provider custom hermes config set model.base_url http://127.0.0.1:8080/v1 hermes config set model.default mlx-community/Qwen3.6-27B-OptiQ-4bit
Run Hermes
hermes
- Atomic Chat
- OpenClaw
How to use mlx-community/Qwen3.6-27B-OptiQ-4bit with OpenClaw:
Start the MLX server
# Install MLX LM: uv tool install mlx-lm # Start a local OpenAI-compatible server: mlx_lm.server --model "mlx-community/Qwen3.6-27B-OptiQ-4bit"
Configure OpenClaw
# Install OpenClaw: npm install -g openclaw@latest # Register the local server and set it as the default model: openclaw onboard --non-interactive --mode local \ --auth-choice custom-api-key \ --custom-base-url http://127.0.0.1:8080/v1 \ --custom-model-id "mlx-community/Qwen3.6-27B-OptiQ-4bit" \ --custom-provider-id mlx-lm \ --custom-compatibility openai \ --custom-text-input \ --accept-risk \ --skip-health
Run OpenClaw
openclaw agent --local --agent main --message "Hello from Hugging Face"
Commit History
7 days ago
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card: the MTP head's norms are zero-centred (add 1.0 outside optiq serve)
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19 days ago
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Move the vision sidecar to the repo root and add the processor files (LM Studio flattens optiq/; mlx-vlm, oMLX and LM Studio load it from the root)
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index: register the bf16 vision tower so stock VLM loaders (mlx-vlm, oMLX, LM Studio) can find it
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Correct BFCL + Capability: the AST checker could not match array-typed arguments
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Move OptiQ sidecars under optiq/ so *.safetensors loaders (mlx-vlm, LM Studio) skip them
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docs: OptiQ brand spelling
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card: remove em-dashes, ensure funnel
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card: add mlx-optiq funnel banner + CTA
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Restore vision_config + optiq_vision marker for image input
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Add OptIQ vision sidecar (image+text support, v0.2.0)
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Add kv_config.json (per-layer mixed-precision KV cache, 5.0 BPW target from OptiQ kv-cache sensitivity analysis)
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v0.1.0: add Qwen-recommended sampling defaults to generation_config.json so Lab can surface them
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v0.1.0: add MTP sidecar (mtp.safetensors) for speculative decoding
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v0.1.0: 6-metric Capability Score + OptIQ vs U4 deltas
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v0.1.0: re-quant with no-strip pipeline + attention-aware floor + 6-domain calibration
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Re-eval GSM8K with chat-template + enable_thinking=False: OptIQ 95.0% / uniform 94.0% (+1.0pp)
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Add GSM8K benchmark: OptiQ 3.5% vs uniform 4-bit 0.5% (+3.0pp)
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Update Article link to https://x.com/latent_node/status/2028412948167942334
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Normalize model card: remove twitter ref, lowercase 'optiq', add multimodal stripping note
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Update README to canonical mlx-optiq full-stack format
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Initial upload: Qwen3.6-27B-OptiQ-4bit (mixed-precision, 4.5 BPW)
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initial commit
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